St. Clair leans heavily Republican by roughly 38 points: about 31% of voters vote Democratic and 69% Republican.
About 82% of adults in St. Clair typically vote, above the U.S. average of about 62%. Among adults in St. Clair, ~25% vote Democratic, ~57% Republican, and ~18% don't vote. The map below shows estimated turnout by block group.
How St. Clair compares
Among cities within 25 miles, St. Clair leans more Republican than 41 of 52 neighbors.
St. Clair runs about 7 points more Republican than Alabama as a whole.
Politics vary noticeably by neighborhood within St. Clair. The southeast side is the most Republican-leaning (R+46) and the northwest side is the least Republican-leaning (R+26), a spread of about 20 points.
Why St. Clair leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for St. Clair, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 4% of residents in St. Clair live in densely developed areas, about 15 points below the Alabama average of 19%.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; St. Clair, AL sits in the bottom quarter nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in St. Clair looks the way it does
Homeowners vote more often than renters. About 94% of households in St. Clair own their home, about 16 points above the Alabama average of 78%. Limited routine healthcare access lines up with lower turnout, and St. Clair sits in the bottom quarter on routine-care measures. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Lowndesboro, AL R+13
- Robinsons, AL R+44
- Autaugaville, AL Even
- White Hall, AL D+52
- Benton, AL D+79
- Mulberry, AL R+5
- Petronia, AL D+79
- Booth, AL R+25
- Manack, AL R+33
- Tyler, AL R+12
Cities with Similar Populations
- Chinese Camp, CA R+49
- Leggett, TX R+60
- Heidelberg, MN R+47
- Whitman, NE R+85
- Waresville, GA R+69
- North Afton, NY R+36
- Quinlan, OK R+77
- Center Berlin, NY R+31
- Derry, LA R+48
- Gray Horse, OK R+62
All Local Stats
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Sources and methodology
Precinct-level voting records used to fit the model come from Alabama Secretary of State, Elections, distributed by the Voting and Election Science Team. Demographic inputs come from the U.S. Census Bureau (ACS 5-year estimates and the 2020 Decennial Census). Health and environmental inputs come from the CDC (PLACES and the Environmental Justice Index). Land cover comes from the USGS and EPA. Election-day and lead-up weather come from PRISM 4km daily grids and the NOAA Global Historical Climatology Network. Mail-voting and election-administration patterns come from the MIT Election Lab's Survey of the Performance of American Elections. Block-group crime detail comes from CrimeGrade. Internet data and modeling support provided by ISPreports.org.
Modeling and analysis by the BestNeighborhood data science team. Full methodology and findings: political spectrum map.
Methodology reviewed by the BestNeighborhood data team. Last updated May 2026.